Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Multifunction Electronic Control Modules
Torque Specifications
Module Controlled Functions
The generic electronic module (GEM)(14B205) is the only multifunction
control module on this vehicle.
The GEM controls the following functions:
warning chimes and warning lamps
one-touch down ...
Front passenger sensing system
WARNING: Even with Advanced Restraints Systems, children 12
and under should be properly restrained in a rear seating
position. Failure to follow this could seriously increase the risk of injury
or death.
WARNING: Sitting improperly out of position or with the ...
Noise, Vibration and Harshness (NVH) (Diagnosis and Testing)
Special Tool(s)
ChassisEAR
107-R2102 or equivalent
Electronic Vibration Analyzer
100-F027 (014-00344) or
equivalent
EngineEAR
107-R2100 or equivalent
Ultrasonic Leak Detector
134-R0135 or equivalent
T ...
